/*
	The MIT License

	Copyright (c) 2010 IFMO/GameDev Studio

	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:

	The above copyright notice and this permission notice shall be included in
	all copies or substantial portions of the Software.

	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	THE SOFTWARE.
*/


#pragma once

/*-----------------------------------------------------------------------------
	GL render target :
-----------------------------------------------------------------------------*/

class EGLRenderTarget2 : public EGLBaseTexture {
	public:
							EGLRenderTarget2	( ERSFormat_t format, uint w, uint h );
							~EGLRenderTarget2	( void );
						
		virtual uint		GetWidth			( void ) const { return width;	}
		virtual uint		GetHeight			( void ) const { return height;	}
		virtual uint		GetDepth			( void ) const { return 1;		}
		virtual bool		IsRenderTarget		( void ) const { return true;	}
		virtual ERSFormat_t	GetFormat			( void ) const { return format;	}
		virtual void		WriteDataRaw2D		( uint level, const void *data, uint pitch ) { SIGNAL(__FUNCTION__"() is not allowed"); }
		virtual void		UpdateFromImage		( const IPxImage image ) { SIGNAL(__FUNCTION__"() is not allowed"); }

		virtual void		WriteDataRaw3D	( const float * data)  { SIGNAL(__FUNCTION__"() is not allowed"); }

	protected:
		
	
		uint			width;
		uint			height;
		ERSFormat_t		format;
	};


class EGLRenderTarget : public EGLBaseTexture {
	public:
								EGLRenderTarget		( ERSFormat_t frmt, uint w, uint h, GLuint tex_obj, GLuint fbo_obj );
								~EGLRenderTarget	( void );
								
		virtual uint			GetWidth			( void ) const { return width;	}
		virtual uint			GetHeight			( void ) const { return height;	}
		virtual uint			GetDepth			( void ) const { return 1;		}
		virtual bool			IsRenderTarget		( void ) const { return true;	}
		virtual ERSFormat_t		GetFormat			( void ) const { return format;	}
		virtual void			WriteDataRaw2D		( uint level, const void *data, uint pitch );

		uint					GetFBOID			( void ) const { return gl_fbo_obj; }

	protected:
		uint			width;
		uint			height;
		GLuint			gl_fbo_obj;
		ERSFormat_t		format;
	};
